6. Solve for x and y 7x+4 5y 9x-2

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55

If the tip varies directly with the number of guest which equation represents between the tip,t, and the number of guest,g?

Is the response to the survey question "did you smoke in the last week question mark "response to the survey question "did you smoke in the last week? " a discrete random variable, a continuous random variable, or not a random variable?